All of a sudden, a boy starts to play hopscotch. Kicking stone[s] is. . . simply play, but it doesn’t work as simply as it seems. He struggles by the rule he made himself.
| Directing | Yutaro Kubo | Director |
| Production | Koji Yamamura | Producer |
| Sound | Izumi Tomikawa | Sound Designer |
| Sound | Mari Nakano | Sound Designer |
